[CN] Fix a typo in the `basics/control-structures` lesson (#903)
[CN] Fix a typo in the `basics/control-structures` lesson (#903)


doomspork/elixir_school,doomspork/elixir-school,doomspork/elixir-school,psantos10/elixir-school,erickgnavar/elixir-school,nscyclone/elixir-school,nscyclone/elixir-school,nscyclone/elixir-school,doomspork/elixir_school,erickgnavar/elixir-school,doomspork/elixir_school,psantos10/elixir-school,erickgnavar/elixir-school,doomspork/elixir-school,psantos10/elixir-school,nscyclone/elixir-school